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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/controls/menu/menu_separator.h"
#include <windows.h>
#include <uxtheme.h>
#include <Vssym32.h>
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/win/dpi.h"
#include "ui/native_theme/native_theme.h"
#include "ui/native_theme/native_theme_aura.h"
#include "ui/views/controls/menu/menu_config.h"
#include "ui/views/controls/menu/menu_item_view.h"
namespace views {
void MenuSeparator::OnPaint(gfx::Canvas* canvas) {
const MenuConfig& config = parent_menu_item_->GetMenuConfig();
if (config.native_theme == ui::NativeThemeAura::instance()) {
OnPaintAura(canvas);
return;
}
gfx::Rect separator_bounds = GetPaintBounds();
// Hack to get the separator to display correctly on Windows where we may
// have fractional scales. We move the separator 1 pixel down to ensure that
// it falls within the clipping rect which is scaled up.
float device_scale = gfx::GetDPIScale();
bool is_fractional_scale =
(device_scale - static_cast<int>(device_scale) != 0);
if (is_fractional_scale && separator_bounds.y() == 0)
separator_bounds.set_y(1);
ui::NativeTheme::ExtraParams extra;
config.native_theme->Paint(
canvas->sk_canvas(), ui::NativeTheme::kMenuPopupSeparator,
ui::NativeTheme::kNormal, separator_bounds, extra);
}
} // namespace views
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